package cn.edu.bupt.scidata.service;

import cn.edu.bupt.scidata.model.paper.News;
import com.github.pagehelper.PageInfo;

import java.util.List;

public interface NewsService {
    List<News> querynews(int a_id, int b_id);
    List<News> querynewspage(int a_id, int b_id,int pageNum,int pageSize);
    PageInfo<News> querynewspagef(int a_id, int b_id, int pageNum, int pageSize);
}
